TY  - BOOK
AU  - Berry,Brian J.L., Horton, Frank E.
AU  - x
TI  - Geographic perspectivesd on urban systems: With integrated readings
SN  - x
U1  - 301.36/BEG 
PY  - 1970///
CY  - Englewood Cliffs
PB  - Prentice - Hall
KW  - Sociology, Urban
KW  - Cities and Town
N1  - x
ER  -